EP2727437A4 - Load driver, processor controlled load driver, and computer program - Google Patents

Load driver, processor controlled load driver, and computer program

Info

Publication number
EP2727437A4
EP2727437A4 EP12805252.9A EP12805252A EP2727437A4 EP 2727437 A4 EP2727437 A4 EP 2727437A4 EP 12805252 A EP12805252 A EP 12805252A EP 2727437 A4 EP2727437 A4 EP 2727437A4
Authority
EP
European Patent Office
Prior art keywords
load driver
computer program
processor controlled
driver
controlled load
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12805252.9A
Other languages
German (de)
French (fr)
Other versions
EP2727437A1 (en
Inventor
Kai Jämsä
Samuli Wallius
Markku Rouvala
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of EP2727437A1 publication Critical patent/EP2727437A1/en
Publication of EP2727437A4 publication Critical patent/EP2727437A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
EP12805252.9A 2011-06-30 2012-05-24 Load driver, processor controlled load driver, and computer program Withdrawn EP2727437A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/173,610 US9357596B2 (en) 2011-06-30 2011-06-30 Drivers for loads such as light emitting diodes
PCT/FI2012/050499 WO2013001142A1 (en) 2011-06-30 2012-05-24 Load driver, processor controlled load driver, and computer program

Publications (2)

Publication Number Publication Date
EP2727437A1 EP2727437A1 (en) 2014-05-07
EP2727437A4 true EP2727437A4 (en) 2016-03-16

Family

ID=47389936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12805252.9A Withdrawn EP2727437A4 (en) 2011-06-30 2012-05-24 Load driver, processor controlled load driver, and computer program

Country Status (4)

Country Link
US (1) US9357596B2 (en)
EP (1) EP2727437A4 (en)
CN (1) CN103636288B (en)
WO (1) WO2013001142A1 (en)

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WO2013004019A1 (en) * 2011-07-07 2013-01-10 City University Of Hong Kong Dc link module for reducing dc link capacitance
WO2013048535A1 (en) * 2011-10-01 2013-04-04 Intel Corporation Voltage regulator
US9535484B2 (en) 2011-11-29 2017-01-03 Maxim Integrated Products, Inc. Extending RunTime with battery ripple cancellation using CPU throttling
DE102012100352B3 (en) * 2012-01-17 2013-07-18 Austriamicrosystems Ag Driver circuit for LEDs
US8917032B2 (en) * 2012-02-23 2014-12-23 Maxim Integrated Products, Inc. Method and apparatus for active ripple cancelation
US9235221B2 (en) * 2012-03-23 2016-01-12 Fairchild Semiconductor Corporation Early warning strobe for mitigation of line and load transients
US8619445B1 (en) 2013-03-15 2013-12-31 Arctic Sand Technologies, Inc. Protection of switched capacitor power converter
US9078317B1 (en) * 2014-04-04 2015-07-07 Linear Technology Corporation Floating output voltage boost regulator driving LEDs using a buck controller
US9198266B2 (en) * 2014-04-22 2015-11-24 Pixart Imaging (Penang) Sdn. Bhd. Optical navigation sensor with integrated charge pump
CN107580749A (en) * 2015-03-13 2018-01-12 佩里格林半导体公司 The DC DC transformers with inductor that electric charge transmits between capacitor for promoting thermal insulation
DE102016116368B4 (en) 2016-09-01 2024-03-21 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Driver circuit for at least one light-emitting component and control method
EP3573322A1 (en) * 2018-05-22 2019-11-27 Ams Sensors Asia Pte. Ltd. Driving and controlling circuit, camera module and mobile device
CN108631583B (en) * 2018-05-28 2020-08-25 苏州浪潮智能科技有限公司 Layout method of multiphase DC-DC power module and power module thereof
US11075502B2 (en) 2019-08-29 2021-07-27 Analog Devices, Inc. Laser diode driver circuit techniques
US20230209675A1 (en) * 2020-09-18 2023-06-29 Signify Holding B.V. A mechanism for controlling a driver arrangement
KR20220073413A (en) * 2020-11-26 2022-06-03 엘지전자 주식회사 Image display apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010043113A1 (en) * 2000-05-12 2001-11-22 Taichi Hoshino LED drive circuit
US20020008499A1 (en) * 2000-06-13 2002-01-24 Henry George C. Charge pump regulator with load current control
US20090160367A1 (en) * 2006-02-17 2009-06-25 Yoshinori Imanaka Power supply, light emission control device and display device
US20110068700A1 (en) * 2009-09-21 2011-03-24 Suntec Enterprises Method and apparatus for driving multiple LED devices

Family Cites Families (18)

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DE3128013C1 (en) 1981-07-15 1982-11-11 Siemens Ag Control circuit for at least one light emitting diode
US5231563A (en) * 1990-09-07 1993-07-27 Itt Corporation Square wave converter having an improved zero voltage switching operation
JPH06284749A (en) 1993-03-29 1994-10-07 Nippon Electric Ind Co Ltd Snubberless inverter
US5559402A (en) * 1994-08-24 1996-09-24 Hewlett-Packard Company Power circuit with energy recovery for driving an electroluminescent device
US6087863A (en) * 1998-03-16 2000-07-11 Supertex, Inc. Method for improving the efficiency of discharging capacitive loads in H-bridge switching networks
US6172882B1 (en) 1998-12-22 2001-01-09 Tdk Corporation Partial resonance PWM converter
JP2000324851A (en) 1998-12-22 2000-11-24 Tdk Corp Partial resonance pwm inverter
GB2372646B (en) * 2001-02-26 2005-06-22 Cambridge Consultants Electronic circuits
JP4409200B2 (en) * 2003-04-16 2010-02-03 株式会社コマデン LED drive circuit for display
US7301250B2 (en) 2004-05-04 2007-11-27 Stangenes Industries, Inc. High voltage pulsed power supply using solid state switches
CN101036281A (en) 2004-10-19 2007-09-12 罗姆股份有限公司 Switching power supply and electronic apparatus employing the same
KR101142996B1 (en) 2004-12-31 2012-05-08 재단법인서울대학교산학협력재단 Display device and driving method thereof
US8493036B2 (en) 2006-10-21 2013-07-23 Advanced Analogic Technologies, Inc. Controllable charge paths, and related methods
US8189351B2 (en) * 2007-02-23 2012-05-29 Astec International Limited Multi-input DC/DC converters with zero-current switching
KR20090123562A (en) 2008-05-28 2009-12-02 삼성모바일디스플레이주식회사 Pixel and organic light emitting display using the same
JP5417907B2 (en) * 2009-03-09 2014-02-19 セイコーエプソン株式会社 Power transmission control device, power transmission device, power reception control device, power reception device, electronic device, and contactless power transmission system
DE102009002464A1 (en) * 2009-04-17 2010-10-21 Robert Bosch Gmbh Method for operating a control circuit, in particular for use in a motor vehicle
TWI418252B (en) * 2009-08-17 2013-12-01 Novatek Microelectronics Corp Control method capable of avoiding flicker effect and light emitting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010043113A1 (en) * 2000-05-12 2001-11-22 Taichi Hoshino LED drive circuit
US20020008499A1 (en) * 2000-06-13 2002-01-24 Henry George C. Charge pump regulator with load current control
US20090160367A1 (en) * 2006-02-17 2009-06-25 Yoshinori Imanaka Power supply, light emission control device and display device
US20110068700A1 (en) * 2009-09-21 2011-03-24 Suntec Enterprises Method and apparatus for driving multiple LED devices

Also Published As

Publication number Publication date
US9357596B2 (en) 2016-05-31
US20130002165A1 (en) 2013-01-03
EP2727437A1 (en) 2014-05-07
WO2013001142A1 (en) 2013-01-03
CN103636288B (en) 2017-04-26
CN103636288A (en) 2014-03-12

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20131213

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NOKIA CORPORATION

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NOKIA TECHNOLOGIES OY

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160216

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 33/08 20060101AFI20160210BHEP

Ipc: H02M 3/07 20060101ALI20160210BHEP

Ipc: H05B 37/02 20060101ALI20160210BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20160915